2.2 TDCi (DW12)
2008–2014 · diesel · 2179cc · 175hp
Engine codes: DW12, Q4BA
Reliability, common problems and owner reviews for the Ford Mondeo IV 2.2 TDCi (DW12). Check this before you buy used.
The larger 2.2 TDCi — strong performance and broadly robust, sharing the 2.0's DPF/EGR sensitivities plus DMF wear. Good with maintenance and motorway use; budget for the emissions ancillaries.
Same engine, other cars
This is the same physical engine (DW12) sold under different names across brands. Reliability is broadly shared — cross-check these:
Known Issues
DPF blocks on short urban journeys.
Fix / Workaround: Motorway runs; clean/replace.
Repair cost: €300–€1200
Typically appears after: 120,000 km
EGR clogs; DMF wears at higher mileage.
Fix / Workaround: Clean EGR; replace DMF + clutch.
Repair cost: €200–€1200
Mileage Thresholds
After 160,000 km: DPF/EGR/DMF attention.
Pre-Purchase Checklist
- ☐DPF/EGR history; prefer motorway use
- ☐Idle DMF rattle check
- ☐Avoid PowerShift auto
Frequently asked questions
Is the Ford Mondeo IV 2.2 TDCi (DW12) reliable?
Maint. Sensitive — The larger 2.2 TDCi — strong performance and broadly robust, sharing the 2.0's DPF/EGR sensitivities plus DMF wear. Good with maintenance and motorway use; budget for the emissions ancillaries.
What are the common problems and reviews for the Ford Mondeo IV 2.2 TDCi (DW12)?
The most commonly reported problems: DPF clogging, EGR / DMF wear.
Is a used Ford Mondeo IV 2.2 TDCi (DW12) worth buying?
Fine if serviced correctly — but it punishes neglect hard. History and the right consumables matter.